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{{other uses}}
{{wiktionary|Banach}}
'''Banach''' (pronounced {{IPA|de|'banax}}  in German, {{IPAc-pl|ˈ|b|a|n|a|x}} in [[Slavic Languages]], and {{IPAc-en|ˈ|b|ɛ|n|ɛ|k}} or {{IPAc-en|ˈ|b|ɒ|n|ɒ|k}}<ref>{{Cite web|url=https://www.merriam-webster.com/dictionary/Banach+space|title=Definition of BANACH SPACE|website=Merriam-webster.com|access-date=1 June 2022}}</ref> in English) is a [[Jewish surname]]<ref>{{Cite book |title=Jewish Family Names and Their Origins: An Etymological Dictionary |last1=Guggenheimer |first1=Heinrich Walter |last2=Guggenheimer |first2=Eva H. |year=1992 |isbn=0-88125-297-2 |page=57 |url=https://books.google.com/books?id=_dQP4nHgyVUC&dq=jewish+name+%22farache%22&pg=PA57}}</ref> of [[Ashkenazi]] origin<ref>{{Cite web|url=https://www.avotaynu.com/books/DJSGNames.htm|title=List of Jewish Surnames|website=Avotaynu.com/|access-date=10 September 2022}}</ref> believed to stem from the translation of the phrase "[[Son of man (Judaism)|son of man]]", combining the [[Hebrew language|Hebrew]] word ''ben'' ("son of") and [[Arameic]] ''nasha'' ("man"). Worth mentioning is how the [[Sephardic]] surname ''Banache'' presents a variant with the ''-ache'' alternative [[Ultima (linguistics)|ultima]], common in other Jewish surnames such as ''Farache'',<ref>{{Cite book |title=Jewish Family Names and Their Origins: An Etymological Dictionary |last1=Guggenheimer |first1=Heinrich Walter |last2=Guggenheimer |first2=Eva H. |year=1992 |isbn=0-88125-297-2 |page=233 |url=https://books.google.com/books?id=_dQP4nHgyVUC&dq=jewish+name+%22farache%22&pg=PA233}}</ref> ''[[Ayyash (disambiguation)#Ayache|Ayache]]'', ''Nakache'', ''Harache''<ref>{{Cite web|url=https://dbs.anumuseum.org.il/skn/en/c6/e245807/Family_Name/HARACHE|title=Origin of surname Harache|website=Anumuseum.org.il|access-date=10 September 2022}}</ref> or ''Marrache''.


'''Banach''' means ''bastard'' in Old Polish and in some Old Polish dialects ''someone clumsy''.<ref>{{Cite web|url=https://nazwiska.ijp.pan.pl/haslo/show/name/BANACH|title=Banach surname in PAN|website=nazwiska.ijp.pan.pl|access-date=17 October 2024}}</ref> As of 2023 about 67529 Polish people carried this surname in forms: Banach, Banachewicz, Banachowicz, Banachowski, Banasz, Banaszyński, Banaszyk, Banaszuk, Banaszewski, Banaszek, Banaszak, Banasiak, Banaśkiewicz, ... <ref>{{Cite web|url=https://nazwiska.ijp.pan.pl/|title=Polish surnames in PAN|website=nazwiska.ijp.pan.pl|access-date=17 October 2024}}</ref>. All those forms are connected with Banach, as in Polish ''-ch'' suffix often transgressed to ''-sz'' or ''-ś/-si''. Additional ''-wicz'' is a [[Patronymic_surname|patronymic suffix]]. Late (XVII century+) ''-ski/-cki/-dzki'' suffixes are connected with historical (middle ages) ''-ski'' reflecting Polish ''z'' (from) [[nobiliary particle]] (e.g. ''Jan z Tarnowa'' was equally known by the name ''Jan Tarnowski'').


Notable people with this surname include:

*[[Stefan Banach]] (1892–1945), Polish mathematician
*[[Ed Banach]] (born 1960), American wrestler
*[[Lou Banach]] (born 1960), American wrestler
*[[Korneliusz Banach]] (born 25 January 1994), Polish volleyball player
* Łukasz Banach, birth name of [[Norman Leto]] (born 1980), Polish artist in the fields of painting, film, and new media
*[[Maurice Banach]], German footballer
*[[Orest Banach]], German-American soccer goalkeeper of Ukrainian descent
*[[William Banach]] (1903–1951), American politician, member of the Wisconsin State Assembly

==See also==
*{{intitle|Banach}}

==References==
{{Reflist}}

{{surname}}

[[Category:Polish-language surnames]]